Ten20 Conductive EEG Paste by D.O. Weaver Adhesive paste. Model No. Description Price 10-20-4T 4 oz. tube (3/pk) $19.60 Add to Cart 10-20-4 4 oz. jar (3/pk) $19.60 Add to Cart 10-20-8 8 oz. jar (3/pk) $36.60 Add to Cart